CVE-2016-5309: Broadcom Symantec Data Center Security Server

Medium severity, CVSS 5.5. EPSS: 6.9% chance of exploitation in the next 30 days.

The RAR file parser component in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection: Network (ATP); Symantec Email Security.Cloud; Symantec Data Center Security: Server; Symantec Endpoint Protection (SEP) for Windows before 12.1.6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1.6 MP6; Symantec Endpoint Protection for Small Business Enterprise (SEP SBE/SEP.Cloud); Symantec Endpoint Protection Cloud (SEPC) for Windows/Mac; Symantec Endpoint Protection Small Business Edition 12.1; CSAPI before 10.0.4 HF02; Symantec Protection Engine (SPE) before 7.0.5 HF02, 7.5.x before 7.5.4 HF02, 7.5.5 before 7.5.5 HF01, and 7.8.x before 7.8.0 HF03; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF2.1, 8.1.x before 8.1.2 HF2.3, and 8.1.3 before 8.1.3 HF2.2; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 6.5.8_3968140 HF2.3, 7.x before 7.0_3966002 HF2.1, and 7.5.x before 7.5_3966008 VHF2.2; Symantec Protection for SharePoint Servers (SPSS) before SPSS_6.0.3_To_6.0.5_HF_2.5 update, 6.0.6 before 6.0.6 HF_2.6, and 6.0.7 before 6.0.7_HF_2.7; Symantec Messaging Gateway (SMG) before 10.6.2; Symantec Messaging Gateway for Service Providers (SMG-SP) before 10.5 patch 260 and 10.6 before patch 259; Symantec Web Gateway; and Symantec Web Security.Cloud allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted RAR file that is mishandled during decompression.

Affected products

Broadcom Symantec Data Center Security Server: affected versions not specified
Symantec Advanced Threat Protection: affected versions not specified
Symantec Csapi: up to and including 10.0.4
Symantec Email Security.cloud: affected versions not specified
Symantec Endpoint Protection: up to and including 12.1.4; up to and including 12.1.6
Symantec Endpoint Protection Cloud: affected versions not specified
Symantec Endpoint Protection For Small Business: up to and including 12.1; affected versions not specified
Symantec Mail Security For Domino: up to and including 8.0.9; version 8.1.2 only; version 8.1.3 only
Symantec Mail Security For Microsoft Exchange: up to and including 6.5.8; version 7.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …
Symantec Messaging Gateway: up to and including 10.6.1
Symantec Messaging Gateway For Service Providers: version 10.5 only; version 10.6 only
Symantec Protection Engine: up to and including 7.0.5; version 7.5.0 only; version 7.5.1 only; version 7.5.2 only; version 7.5.3 only; version 7.5.4 only; …
Symantec Protection For SharePoint Servers: version 6.0.3 only; version 6.0.4 only; version 6.0.5 only; version 6.0.6 only; version 6.0.7 only
Symantec Web Gateway: affected versions not specified
Symantec Web Security.cloud: affected versions not specified

Published 2017-04-14. Last modified 2026-06-17.